package com.qi.gulimall.order.web;

import com.qi.common.exception.NoStockException;
import com.qi.gulimall.order.service.OrderService;
import com.qi.gulimall.order.vo.OrderConfirmVo;
import com.qi.gulimall.order.vo.OrderSubmitVo;
import com.qi.gulimall.order.vo.SubmitOrderResponseVo;
import org.bouncycastle.math.raw.Mod;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @author 周玉琦
 * @date 2020/9/22 - 14:00
 */
@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        //展示订单确认的数据
        return "confirm";
    }


    /**
     * 下单功能
     * @param vo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        try {
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
            //下单失败回到订单确认页,重新确认订单信息
            if(responseVo.getCode()==0){
                //下单成功来到支付选择页
                model.addAttribute("submitOrderResp",responseVo);
                return "pay";
            }else{
                String msg = "下单失败;";
                switch (responseVo.getCode()){
                    case 1: msg+="订单信息过期,请刷新再次提交";break;
                    case 2: msg+="订单商品价格发生变化,请确认后再次提交";break;
                    case 3: msg+="库存锁定失败,商品库存不足";break;
                }
                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch (NoStockException e){
            String msg = "下单失败;库存锁定失败,商品库存不足";
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
